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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
7259977435598638 ~1986
7260083145201678 ~1985
7260119145202398 ~1985
72601911887649679 ~1987
7261283145225678 ~1985
7261349580907938 ~1986
7261451145229038 ~1985
7261511145230238 ~1985
7261679145233598 ~1985
7261949580955938 ~1986
72619491016672879
7261979145239598 ~1985
72619793630989519
7261981435718878 ~1986
7262201435732078 ~1986
7262243145244878 ~1985
7262597435755838 ~1986
7262891145257838 ~1985
7263013435780798 ~1986
7263041581043298 ~1986
7263143145262878 ~1985
7263287581062978 ~1986
7263419145268398 ~1985
7263611581088898 ~1986
7263673435820398 ~1986
Exp. Prime Factor Digits Year
7263863145277278 ~1985
7263983145279678 ~1985
7264193435851598 ~1986
72642771016998799 ~1987
7264319145286398 ~1985
7264381435862878 ~1986
7264391145287838 ~1985
7264643145292878 ~1985
7264841581187298 ~1986
7265003145300078 ~1985
72652071888953839 ~1987
7265339145306798 ~1985
7265381581230498 ~1986
7265603145312078 ~1985
7265663145313278 ~1985
7265701435942078 ~1986
7265759145315198 ~1985
7266073435964398 ~1986
7266101435966078 ~1986
7266251145325038 ~1985
7266299145325998 ~1985
7266491581319298 ~1986
7266557435993438 ~1986
72666731162667699 ~1987
72666971162671539 ~1987
Exp. Prime Factor Digits Year
72667094650693779 ~1988
7266737436004238 ~1986
7266923145338478 ~1985
72669292180078719 ~1987
7267031145340638 ~1985
7267079145341598 ~1985
7267097436025838 ~1986
7267391145347838 ~1985
7267441436046478 ~1986
7267499145349998 ~1985
7267583145351678 ~1985
7267769581421538 ~1986
72682012325824339 ~1988
7268441436106478 ~1986
7268533436111998 ~1986
7268581436114878 ~1986
7268743726874318 ~1986
7268819145376398 ~1985
7268881103218110310 ~1989
7269239145384798 ~1985
7269281581542498 ~1986
72693071308475279 ~1987
7269371581549698 ~1986
72694811599285839 ~1987
72695271744686499 ~1987
Exp. Prime Factor Digits Year
7269539145390798 ~1985
7269611145392238 ~1985
7269643726964318 ~1986
7269683145393678 ~1985
7269937436196238 ~1986
7269959145399198 ~1985
7270253436215198 ~1986
7270379145407598 ~1985
7270391145407838 ~1985
7270643145412878 ~1985
72707334071610499 ~1988
7270751145415038 ~1985
7271477436288638 ~1986
7271483145429678 ~1985
7271501436290078 ~1986
7271723145434478 ~1985
7271777581742178 ~1986
7271963145439278 ~1985
7272227581778178 ~1986
7272337436340238 ~1986
7272431581794498 ~1986
7272751727275118 ~1986
7272911145458238 ~1985
7273061436383678 ~1986
7273463145469278 ~1985
845
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25-04-13